IBM Log Analysis update for SnakeYAML

Published: 2022-11-22

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-25857 CVE-2017-18640
CWE-ID	CWE-400 CWE-20
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Log Analysis Server applications / Other server solutions
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU67665

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-25857

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application does not properly control consumption of internal resources when handling YAML files. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Log Analysis: 1.3.5.3 - 1.3.7.2 IF002

External links

http://www.ibm.com/blogs/psirt/security-bulletin-vulnerabilities-in-snakeyaml-used-by-logstash-affects-ibm-operations-analytics-log-analysis-cve-2022-25857-cve-2017-18640/
http://www.ibm.com/support/pages/node/6840675

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper input validation

EUVDB-ID: #VU52578